Earphone



FIG. 1 is a perspective view of an earphone showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the figures are for illustrative purposes only and do not form part of the claimed design. 

The ornamental design for an earphone, as shown and described. 